Mineral Side Rock

Epidote (likely Pistacite in Epidosite rock)

Epidote: Ca2(Al,Fe)3(SiO4)3(OH)

Clear quartz crystal

Quartz (silicon dioxide, SiO₂)

Milky Quartz (Crystal Cluster)

Silicon Dioxide (SiO2) - Quartz Variety

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green tourmaline crystal (likely elbaite)

Elbaite tourmaline, a complex borosilicate: Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

Almandine Garnet in Matrix

Almandine (Fe3Al2(SiO4)3)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide - SiO2)

Green cabochon gemstone pendant, likely turquoise or dyed green turquoise

Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Garnet

Garnet group: X3Y2(SiO4)3 (commonly Almandine-Pyrope series)

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Quartz with Epidote

Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate [Ca2(Al,Fe)3(SiO4)3(OH)]

Amethyst

Amethyst (Silicon Dioxide - SiO2 with impurities of iron)

Smoky Quartz (with Druzy/Polished Edge)

Smoky Quartz (Silicon Dioxide, SiO2)

Amethyst (Pale/Lavender variety)

Silicon Dioxide (SiO2)

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Polished blue banded agate cabochon/ornamental slab

Microcrystalline quartz (chalcedony), SiO₂, with blue coloring or inclusions

Amethyst

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Weathered quartz-rich rock, possibly milky quartz or quartz-bearing granite

Quartz (SiO₂), potentially with feldspar and iron-oxide staining

Quartz Crystal Cluster

Quartz (Silicon Dioxide, SiO2)

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Quartz Geode Cluster (Iron-stained Quartz)

Silicon Dioxide (SiO2)

Basalt Column Section

Columnar Basalt (Mafic Extrusive Igneous Rock)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Carnelian

Carnelian (SiO2 with iron oxide impurities)

Quartz (Double-Terminated)

Silicon Dioxide (SiO2)

Clear Quartz (Double Terminated)

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Agate (specifically, a slice of a Blue Lace or Chalcedony Agate nodule)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Amethyst Quartz

Amethyst (SiO2 with Iron impurities)

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz (Clear / Rock Crystal)

Silicon Dioxide (SiO2)

Pink tourmaline crystal (probable)

Elbaite tourmaline, Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

Quartz crystals on matrix

Silicon dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Coral Fossil / Petoskey Stone

Hexagonaria percarinata (Fossilized Rugose Coral)

Amethyst

SiO2 (Silicon Dioxide with Iron impurities and natural radiation influence)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Almandine Garnet

Iron aluminum silicate (Fe3Al2(SiO4)3)

Garnet (Almandine)

Almandine, Fe3Al2Si3O12